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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/991747/tca9548a-unused-i2c-sda-scl-pin-connection
您好！
对于未使用的 I2C SDA/SCL 引脚、我是否可以将其保持悬空？
您好、Jim、
如果您未启用浮动的辅助通道、则从技术上讲可以将其保持浮动。
谢谢、
-Bobby
